377 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			377 lines
		
	
	
		
			14 KiB
		
	
	
	
		
			C++
		
	
	
	
//===- MultiplexConsumer.cpp - AST Consumer for PCH Generation --*- C++ -*-===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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//
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//  This file defines the MultiplexConsumer class. It also declares and defines
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//  MultiplexASTDeserializationListener and  MultiplexASTMutationListener, which
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//  are implementation details of MultiplexConsumer.
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Frontend/MultiplexConsumer.h"
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#include "clang/AST/ASTMutationListener.h"
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#include "clang/AST/DeclGroup.h"
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using namespace clang;
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namespace clang {
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MultiplexASTDeserializationListener::MultiplexASTDeserializationListener(
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      const std::vector<ASTDeserializationListener*>& L)
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    : Listeners(L) {
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}
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void MultiplexASTDeserializationListener::ReaderInitialized(
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    ASTReader *Reader) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->ReaderInitialized(Reader);
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}
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void MultiplexASTDeserializationListener::IdentifierRead(
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    serialization::IdentID ID, IdentifierInfo *II) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->IdentifierRead(ID, II);
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}
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void MultiplexASTDeserializationListener::MacroRead(
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    serialization::MacroID ID, MacroInfo *MI) {
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  for (auto &Listener : Listeners)
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    Listener->MacroRead(ID, MI);
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}
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void MultiplexASTDeserializationListener::TypeRead(
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    serialization::TypeIdx Idx, QualType T) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->TypeRead(Idx, T);
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}
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void MultiplexASTDeserializationListener::DeclRead(
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    serialization::DeclID ID, const Decl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->DeclRead(ID, D);
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}
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void MultiplexASTDeserializationListener::SelectorRead(
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    serialization::SelectorID ID, Selector Sel) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->SelectorRead(ID, Sel);
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}
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void MultiplexASTDeserializationListener::MacroDefinitionRead(
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    serialization::PreprocessedEntityID ID, MacroDefinitionRecord *MD) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->MacroDefinitionRead(ID, MD);
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}
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void MultiplexASTDeserializationListener::ModuleRead(
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    serialization::SubmoduleID ID, Module *Mod) {
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  for (auto &Listener : Listeners)
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    Listener->ModuleRead(ID, Mod);
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}
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void MultiplexASTDeserializationListener::ModuleImportRead(
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    serialization::SubmoduleID ID, SourceLocation ImportLoc) {
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  for (auto &Listener : Listeners)
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    Listener->ModuleImportRead(ID, ImportLoc);
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}
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// This ASTMutationListener forwards its notifications to a set of
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// child listeners.
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class MultiplexASTMutationListener : public ASTMutationListener {
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public:
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  // Does NOT take ownership of the elements in L.
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  MultiplexASTMutationListener(ArrayRef<ASTMutationListener*> L);
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  void CompletedTagDefinition(const TagDecl *D) override;
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  void AddedVisibleDecl(const DeclContext *DC, const Decl *D) override;
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  void AddedCXXImplicitMember(const CXXRecordDecl *RD, const Decl *D) override;
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  void AddedCXXTemplateSpecialization(const ClassTemplateDecl *TD,
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                            const ClassTemplateSpecializationDecl *D) override;
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  void AddedCXXTemplateSpecialization(const VarTemplateDecl *TD,
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                               const VarTemplateSpecializationDecl *D) override;
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  void AddedCXXTemplateSpecialization(const FunctionTemplateDecl *TD,
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                                      const FunctionDecl *D) override;
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  void ResolvedExceptionSpec(const FunctionDecl *FD) override;
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  void DeducedReturnType(const FunctionDecl *FD, QualType ReturnType) override;
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  void ResolvedOperatorDelete(const CXXDestructorDecl *DD,
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                              const FunctionDecl *Delete,
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                              Expr *ThisArg) override;
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  void CompletedImplicitDefinition(const FunctionDecl *D) override;
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  void InstantiationRequested(const ValueDecl *D) override;
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  void VariableDefinitionInstantiated(const VarDecl *D) override;
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  void FunctionDefinitionInstantiated(const FunctionDecl *D) override;
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  void DefaultArgumentInstantiated(const ParmVarDecl *D) override;
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  void DefaultMemberInitializerInstantiated(const FieldDecl *D) override;
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  void AddedObjCCategoryToInterface(const ObjCCategoryDecl *CatD,
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                                    const ObjCInterfaceDecl *IFD) override;
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  void DeclarationMarkedUsed(const Decl *D) override;
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  void DeclarationMarkedOpenMPThreadPrivate(const Decl *D) override;
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  void DeclarationMarkedOpenMPAllocate(const Decl *D, const Attr *A) override;
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  void DeclarationMarkedOpenMPDeclareTarget(const Decl *D,
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                                            const Attr *Attr) override;
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  void RedefinedHiddenDefinition(const NamedDecl *D, Module *M) override;
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  void AddedAttributeToRecord(const Attr *Attr,
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                              const RecordDecl *Record) override;
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private:
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  std::vector<ASTMutationListener*> Listeners;
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};
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MultiplexASTMutationListener::MultiplexASTMutationListener(
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    ArrayRef<ASTMutationListener*> L)
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    : Listeners(L.begin(), L.end()) {
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}
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void MultiplexASTMutationListener::CompletedTagDefinition(const TagDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->CompletedTagDefinition(D);
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}
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void MultiplexASTMutationListener::AddedVisibleDecl(
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    const DeclContext *DC, const Decl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->AddedVisibleDecl(DC, D);
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}
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void MultiplexASTMutationListener::AddedCXXImplicitMember(
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    const CXXRecordDecl *RD, const Decl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->AddedCXXImplicitMember(RD, D);
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}
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void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
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    const ClassTemplateDecl *TD, const ClassTemplateSpecializationDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
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}
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void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
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    const VarTemplateDecl *TD, const VarTemplateSpecializationDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
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}
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void MultiplexASTMutationListener::AddedCXXTemplateSpecialization(
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    const FunctionTemplateDecl *TD, const FunctionDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->AddedCXXTemplateSpecialization(TD, D);
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}
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void MultiplexASTMutationListener::ResolvedExceptionSpec(
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    const FunctionDecl *FD) {
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  for (auto &Listener : Listeners)
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    Listener->ResolvedExceptionSpec(FD);
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}
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void MultiplexASTMutationListener::DeducedReturnType(const FunctionDecl *FD,
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                                                     QualType ReturnType) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->DeducedReturnType(FD, ReturnType);
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}
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void MultiplexASTMutationListener::ResolvedOperatorDelete(
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    const CXXDestructorDecl *DD, const FunctionDecl *Delete, Expr *ThisArg) {
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  for (auto *L : Listeners)
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    L->ResolvedOperatorDelete(DD, Delete, ThisArg);
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}
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void MultiplexASTMutationListener::CompletedImplicitDefinition(
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                                                        const FunctionDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->CompletedImplicitDefinition(D);
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}
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void MultiplexASTMutationListener::InstantiationRequested(const ValueDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->InstantiationRequested(D);
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}
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void MultiplexASTMutationListener::VariableDefinitionInstantiated(
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    const VarDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->VariableDefinitionInstantiated(D);
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}
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void MultiplexASTMutationListener::FunctionDefinitionInstantiated(
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    const FunctionDecl *D) {
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  for (auto &Listener : Listeners)
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    Listener->FunctionDefinitionInstantiated(D);
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}
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void MultiplexASTMutationListener::DefaultArgumentInstantiated(
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                                                         const ParmVarDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->DefaultArgumentInstantiated(D);
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}
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void MultiplexASTMutationListener::DefaultMemberInitializerInstantiated(
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                                                           const FieldDecl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->DefaultMemberInitializerInstantiated(D);
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}
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void MultiplexASTMutationListener::AddedObjCCategoryToInterface(
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                                                 const ObjCCategoryDecl *CatD,
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                                                 const ObjCInterfaceDecl *IFD) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->AddedObjCCategoryToInterface(CatD, IFD);
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}
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void MultiplexASTMutationListener::DeclarationMarkedUsed(const Decl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->DeclarationMarkedUsed(D);
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}
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void MultiplexASTMutationListener::DeclarationMarkedOpenMPThreadPrivate(
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    const Decl *D) {
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  for (size_t i = 0, e = Listeners.size(); i != e; ++i)
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    Listeners[i]->DeclarationMarkedOpenMPThreadPrivate(D);
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}
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void MultiplexASTMutationListener::DeclarationMarkedOpenMPAllocate(
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    const Decl *D, const Attr *A) {
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  for (ASTMutationListener *L : Listeners)
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    L->DeclarationMarkedOpenMPAllocate(D, A);
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}
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void MultiplexASTMutationListener::DeclarationMarkedOpenMPDeclareTarget(
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    const Decl *D, const Attr *Attr) {
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  for (auto *L : Listeners)
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    L->DeclarationMarkedOpenMPDeclareTarget(D, Attr);
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}
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void MultiplexASTMutationListener::RedefinedHiddenDefinition(const NamedDecl *D,
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                                                             Module *M) {
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  for (auto *L : Listeners)
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    L->RedefinedHiddenDefinition(D, M);
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}
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void MultiplexASTMutationListener::AddedAttributeToRecord(
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                                                    const Attr *Attr,
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                                                    const RecordDecl *Record) {
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  for (auto *L : Listeners)
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    L->AddedAttributeToRecord(Attr, Record);
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}
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}  // end namespace clang
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MultiplexConsumer::MultiplexConsumer(
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    std::vector<std::unique_ptr<ASTConsumer>> C)
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    : Consumers(std::move(C)) {
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  // Collect the mutation listeners and deserialization listeners of all
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  // children, and create a multiplex listener each if so.
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  std::vector<ASTMutationListener *> mutationListeners;
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  std::vector<ASTDeserializationListener*> serializationListeners;
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  for (auto &Consumer : Consumers) {
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    if (auto *mutationListener = Consumer->GetASTMutationListener())
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      mutationListeners.push_back(mutationListener);
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    if (auto *serializationListener = Consumer->GetASTDeserializationListener())
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      serializationListeners.push_back(serializationListener);
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  }
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  if (!mutationListeners.empty()) {
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    MutationListener =
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        std::make_unique<MultiplexASTMutationListener>(mutationListeners);
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  }
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  if (!serializationListeners.empty()) {
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    DeserializationListener =
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        std::make_unique<MultiplexASTDeserializationListener>(
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            serializationListeners);
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  }
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}
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MultiplexConsumer::~MultiplexConsumer() {}
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void MultiplexConsumer::Initialize(ASTContext &Context) {
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  for (auto &Consumer : Consumers)
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    Consumer->Initialize(Context);
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}
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bool MultiplexConsumer::HandleTopLevelDecl(DeclGroupRef D) {
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  bool Continue = true;
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  for (auto &Consumer : Consumers)
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    Continue = Continue && Consumer->HandleTopLevelDecl(D);
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  return Continue;
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}
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void MultiplexConsumer::HandleInlineFunctionDefinition(FunctionDecl *D) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleInlineFunctionDefinition(D);
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}
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void MultiplexConsumer::HandleCXXStaticMemberVarInstantiation(VarDecl *VD) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleCXXStaticMemberVarInstantiation(VD);
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}
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void MultiplexConsumer::HandleInterestingDecl(DeclGroupRef D) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleInterestingDecl(D);
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}
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void MultiplexConsumer::HandleTranslationUnit(ASTContext &Ctx) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleTranslationUnit(Ctx);
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}
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void MultiplexConsumer::HandleTagDeclDefinition(TagDecl *D) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleTagDeclDefinition(D);
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}
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void MultiplexConsumer::HandleTagDeclRequiredDefinition(const TagDecl *D) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleTagDeclRequiredDefinition(D);
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}
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void MultiplexConsumer::HandleCXXImplicitFunctionInstantiation(FunctionDecl *D){
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  for (auto &Consumer : Consumers)
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    Consumer->HandleCXXImplicitFunctionInstantiation(D);
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}
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void MultiplexConsumer::HandleTopLevelDeclInObjCContainer(DeclGroupRef D) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleTopLevelDeclInObjCContainer(D);
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}
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void MultiplexConsumer::HandleImplicitImportDecl(ImportDecl *D) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleImplicitImportDecl(D);
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}
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void MultiplexConsumer::CompleteTentativeDefinition(VarDecl *D) {
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  for (auto &Consumer : Consumers)
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    Consumer->CompleteTentativeDefinition(D);
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}
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void MultiplexConsumer::CompleteExternalDeclaration(VarDecl *D) {
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  for (auto &Consumer : Consumers)
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    Consumer->CompleteExternalDeclaration(D);
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}
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void MultiplexConsumer::AssignInheritanceModel(CXXRecordDecl *RD) {
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  for (auto &Consumer : Consumers)
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    Consumer->AssignInheritanceModel(RD);
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}
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void MultiplexConsumer::HandleVTable(CXXRecordDecl *RD) {
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  for (auto &Consumer : Consumers)
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    Consumer->HandleVTable(RD);
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}
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ASTMutationListener *MultiplexConsumer::GetASTMutationListener() {
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  return MutationListener.get();
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}
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ASTDeserializationListener *MultiplexConsumer::GetASTDeserializationListener() {
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  return DeserializationListener.get();
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}
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void MultiplexConsumer::PrintStats() {
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  for (auto &Consumer : Consumers)
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    Consumer->PrintStats();
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}
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bool MultiplexConsumer::shouldSkipFunctionBody(Decl *D) {
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  bool Skip = true;
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  for (auto &Consumer : Consumers)
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    Skip = Skip && Consumer->shouldSkipFunctionBody(D);
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  return Skip;
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}
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void MultiplexConsumer::InitializeSema(Sema &S) {
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  for (auto &Consumer : Consumers)
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    if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
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      SC->InitializeSema(S);
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}
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void MultiplexConsumer::ForgetSema() {
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  for (auto &Consumer : Consumers)
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    if (SemaConsumer *SC = dyn_cast<SemaConsumer>(Consumer.get()))
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      SC->ForgetSema();
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}
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